Steinbacher is a German surname. Notable people with the surname include:
- Arabella Steinbacher, German violinist
- Friedrich Steinbacher (1877–1938), German ornithologist and pedagogue
- Joachim Steinbacher (1911–2005), German ornithologist
- Hank Steinbacher (1913–1977), American baseball player
- Derek Steinbacher, American craniomaxillofacial plastic and rhinoplasty surgeon
